ES Magazine Issue 45 Gas analysis for a more productive world 45 | Page 15

The moisture measurement challenge

We pitted the DF-760E analyzer against a CRDS-based device to measure moisture in a response time test. The DF-760E showed an immediate
H2Op
7.000
6.000
5.000

DF-760E
H2Op
7.000
6.000
5.000

CRDS
response, with a T90 response
4.000
4.000
time measurement in less than 3 minutes. The CRDS took longer than 20 minutes and did not reach T90 point. The
3.000
2.000
1.000
3.000
2.000
1.000
result? TDLAS clearly beats CRDS to the punch.
0.000
09:10:20
09:30:00
09:45:00
10:00:00
0.000
09:10:20
09:30:00
09:45:00
10:00:00
In summary, if you prioritize speed, simplicity, cost-effectiveness, and robustness, TDLAS is typically the better long-term solution for trace moisture measurements in gas analysis.
Don’ t let myths hold you back. Choose a technology that’ s built for performance, reliability, and peace of mind.
Learn more about the advantages of TDLAS sensing: servomex. com / gas-analyzers / technologies / laser-moisture /
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